Rebuild Your Underground Empire

Castle Digger

The world is gone. Rise from the ashes. Rebuild your empire in the literal underground, make strategic decisions, and lead your subjects heroes to glory.

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Game Mechanics

How Castle Digger Works

Survive and thrive in a post-cataclysmic world. Strategic resource allocation, heroic adventures, and underground empire building are key to your success. It's a medieval incremental and idle game.

Start Your Rule

Empires aren't built by trembling hands, but by resolute ones... even if those hands occasionally wobble after an especially spirited evening.

Reginald King, First of His Name
Frequently Asked Questions

About Castle Digger

  • Yes! Castle Digger is 100% free. It's a hobby game.

  • There is no item shop and there will never be an item shop.

  • Castle Digger is an idle and incremental game where you rebuild an underground empire after a cataclysmic event. It focuses on strategic resource management and hero development.

  • No download required! Castle Digger is a browser-based game that you can play directly in your web browser. Click here to play.

  • No. There is no account registration. When you start a new game, you will be handed a key to your castle. Keep care of that key. Maybe even create a bookmark or write it down on a piece of paper.

  • Time to start over. :-(

  • No cookies.